杏吧原创

HFRCEK Knife slicing wholegrain bread

This week鈥檚 new questions

What is the best way, and the best sort of knife to use, to minimise the amount of crumbs when slicing bread, particularly wholemeal? And why does being tickled make us laugh, when it is just a feeling on our skin?

ginger cat slumped over a branch stuck in a cherry tree; Shutterstock ID 1750273625; purchase_order: -; job: -; client: -; other: -

Humans make mistakes, but how often do other animals?

CRF88E Woman spooning meat into tupperware

Why are leftovers always tastier when heated up the next day?

Brachiosaurus dinosaur in water next to islands with palm trees. This is a 3d render illustration; Shutterstock ID 2218581533; purchase_order: -; job: -; client: -; other: -

This week鈥檚 new questions

2CXYTWB Close up of a green cicada insect bug on a plant

What triggers cicadas to make noises in unison, then go silent?

2JAN5P2 Holland Street meets the steep Albion Hill in the Hanover neighbourhood of Brighton

Do people in hilly towns have better health than those in flat towns?

Golden lion tamarin; Shutterstock ID 121264012; purchase_order: -; job: -; client: -; other: -

This week鈥檚 new questions

K4E74X The Earth from space. This image elements furnished by NASA.

If Earth stopped rotating, would this affect the force of gravity?

purebred beagle puppy is learning the world in first time; Shutterstock ID 566398009; purchase_order: -; job: -; client: -; other: -

Why do we say 鈥渁ww鈥� when we see small, fluffy things?

Kudzu ( Pueraria lobata ) flowers. Fabbaceae perennial vine. Dark blue-purple fragrant butterfly-shaped flowers bloom in racemes from July to September. The roots are edible and medicinal.; Shutterstock ID 2360739029; purchase_order: -; job: -; client: -; other: -

This week鈥檚 new questions

All the climbing plants and weeds in my garden twine anti-clockwise. Is there an evolutionary advantage to this? And do any twine clockwise? And what happens to the electrons, protons, neutrons and photons that exist in living beings when they die?

What is the probability that Voyager 1 or 2 will hit a planet or star?

Why does a slightly damp sponge absorb water better than a dry one?

This week鈥檚 new questions

Which bicycle lights are safest and give the best visibility?